An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue. By feeding on plants and on one another, animals play an important role in the movement of matter and energy through the system. They also influence the quantity of plant and microbial biomass present. By breaking down dead organic matter, decomposers release carbon back to the atmosphere and facilitate nutrient cycling by converting nutrients stored in dead biomass back to a form that can be readily used by plants and other microbes.
Acinetobacter is a genus of Gram-negative bacteria belonging to the wider class of Gammaproteobacteria. Acinetobacter species are oxidase-negative, exhibit twitching motility, and occur in pairs under magnification.
A fish pond, or fishpond, is a controlled pond, artificial lake, or reservoir that is stocked with fish and is used in aquaculture for fish farming, or is used for recreational fishing or for ornamental purposes. In the medieval European era it was typical for monasteries and castles to have a fish pond.
Goniatites is a genus of extinct cephalopods belonging to the family Goniatitidae, included in the superfamily Goniatitaceae. Hibernicoceras and Hypergoniatites are among related genera.
Acinetobacter calcoaceticus is a bacterial species of the genus Acinetobacter. It is a nonmotile, gram negative coccobacillus. It grows under aerobic conditions, is catalase positive and oxidase negative. A. calcoaceticus is a part of the A. calcoaceticus-A. baumannii complex together with Acinetobacter baumannii, Acinetobacter nosocomialis, Acinetobacter pitti and Acinetobacter seifertii.
Acinetobacter baumannii is a typically short, almost round, rod-shaped (coccobacillus) Gram-negative bacterium. It is named after the bacteriologist Paul Baumann. It can be an opportunistic pathogen in humans, affecting people with compromised immune systems, and is becoming increasingly important as a hospital-derived (nosocomial) infection. While other species of the genus Acinetobacter are often found in soil samples, it is almost exclusively isolated from hospital environments. Although occasionally it has been found in environmental soil and water samples, its natural habitat is still not known.
Cochleosaurus is a name of a tetrapod belonging to Temnospondyli, which lived during the late Carboniferous period. The great abundance of its remains have been found in the Kladno Formation of the Czech Republic, near Nýřany in Central Europe and in the Morien Group of Nova Scotia in North America. It was a creature of medium size, measuring 120-160 centimeters. It is believed that Cochleosaurus was a semiaquatic ambush predator, hunting like modern crocodiles. Czech paleontologist Antonin Fritsch named the genus in 1885 in reference to the spoon-shaped processes on the supra-occipital bones at the back of the skull.
Acutiramus is a genus of giant predatory eurypterid, an extinct group of aquatic arthropods. Fossils of Acutiramus have been discovered in deposits of Late Silurian to Early Devonian age. Seven species have been described, five from North America and two from the Czech Republic. The generic name derives from Latin acuto and Latin ramus ("branch"), referring to the acute angle of the final tooth of the claws relative to the rest of the claw.
Antarctica is one of the most physically and chemically extreme terrestrial environments to be inhabited by lifeforms. The largest plants are mosses, and the largest animals that do not leave the continent are a few species of insects.
Acinetobacter radioresistens is a species of radiation-resistant bacteria. It is Gram-negative, oxidase-negative, not spore-forming, nonmotile, nonfermentative, aerobic, pleomorphic, and coccobacilli-shaped. The type strain of this species is strain FO-1.
Acinetobacter pittii is a Gram-negative, oxidase-negative, catalase-positive, strictly aerobic, nonmotile bacterium from the genus Acinetobacter. A. pittii belongs to the Acinetobacter calcoaceticus-baumannii complex and is named after the British microbiologist Tyrone Pitt. Bacteria of the genus Acinetobacter are ubiquitously distributed in nature. They are Gram-negative, strictly aerobic, nonmotile, diplococcoid rods that are oxidase negative and catalase positive. They are found in various types of soils and waters and are occasionally found in foodstocks. They are normal inhabitants of human skin and are capable of transitory colonization of the upper respiratory tract. They can cause infection in debilitated patients. DNA-DNA hybridization studies have been used to identify DNA groups within the genus Acinetobacter.
Acinetobacter rudis is a Gram-negative, strictly aerobic bacterium from the genus Acinetobacter isolated from raw milk and wastewater.
Acinetobacter soli is a Gram-negative, catalase-positive, oxidase-negative, strictly aerobic rod-shaped, nonmotile bacterium from the genus Acinetobacter isolated from forest soil at Mt. Baekwoon in the Republic of Korea. . Acinetobacter soli can cause bloodstream infection in neonates.
Acinetobacter apis is a gram-negative, obligate aerobic and non-motile bacterium from the genus Acinetobacter which has been isolated from the intestinal tract of the bee Apis mellifera. A. apis showed optimum growth at 25 degrees Celsius, pH 6-7, and in the presence of 1% (w/v) NaCl in trypticase soy broth medium. This bacterium was first characterized in 2014.
Acinetobacter gandensis is a bacterium from the genus Acinetobacter which has been isolated from horse and cattle dung in Merelbeke in Belgium.
Acinetobacter harbinensis is a gram-negative and strictly aerobic bacterium from the genus Acinetobacter which has been isolated from water of the Songhua River in Harbin in China.
Acinetobacter kookii is a gram-negative bacterium from the genus Acinetobacter which has been isolated from soil from Jeonju in Korea.
Acinetobacter albensis is a bacterium from the genus of Acinetobacter which has been isolated from water and soil of the Czech Republic.
Acinetobacter celticus is a psychrotolerant bacterium from the genus of Acinetobacter which occurs in soil and water.
Acinetobacter pragensis is a bacterium from the genus of Acinetobacter which occurs in soil and water.
